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Check how much USDC is in your Unified Balance in total and on each source blockchain.

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Prerequisites

Before you begin, ensure that you’ve: These are required so any example below runs with a valid kit and adapter.

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Check balances

Query balances with the same adapters you use for deposits.
TypeScript
import { AppKit } from "@circle-fin/app-kit";
import { createViemAdapterFromPrivateKey } from "@circle-fin/adapter-viem-v2";
import { createSolanaAdapterFromPrivateKey } from "@circle-fin/adapter-solana";

// One App Kit instance; Unified Balance calls go under kit.unifiedBalance.
const kit = new AppKit();

// One Viem (or Ethers) adapter covers every supported EVM chain for this wallet.
const evmAdapter = createViemAdapterFromPrivateKey({
  privateKey: process.env.EVM_PRIVATE_KEY as string,
});

// Solana needs its own adapter.
const solanaAdapter = createSolanaAdapterFromPrivateKey({
  privateKey: process.env.SOLANA_PRIVATE_KEY as string,
});

// sources: one entry per signing ecosystem. networkType must match your environment.
const balances = await kit.unifiedBalance.getBalances({
  sources: [{ adapter: evmAdapter }, { adapter: solanaAdapter }],
  networkType: "testnet",
  includePending: true,
});

// Log confirmed and pending totals plus per-depositor, per-chain breakdown.
console.dir(balances, { depth: null });

​
Example response

The following is a representative payload for the call above. It includes overall confirmed and pending totals, then one entry per depositor, each with per-chain balances.
JSON
{
  "token": "USDC",
  "totalConfirmedBalance": "141.707020",
  "totalPendingBalance": "10.250000",
  "breakdown": [
    {
      "depositor": "0x1a5F...f3a",
      "totalConfirmed": "126.757055",
      "totalPending": "10.250000",
      "breakdown": [
        {
          "chain": "Ethereum_Sepolia",
          "confirmedBalance": "11.998900",
          "pendingBalance": "10.250000",
          "pendingTransactions": [
            {
              "transactionHash": "0x3a9c2f...e41",
              "amount": "10.250000",
              "blockTimestamp": "2025-04-01T12:00:00.000Z"
            }
          ]
        },
        {
          "chain": "Base_Sepolia",
          "confirmedBalance": "23.545722",
          "pendingBalance": "0.000000",
          "pendingTransactions": []
        },
        {
          "chain": "Avalanche_Fuji",
          "confirmedBalance": "19.468595",
          "pendingBalance": "0.000000",
          "pendingTransactions": []
        },
        {
          "chain": "Arc_Testnet",
          "confirmedBalance": "21.282893",
          "pendingBalance": "0.000000",
          "pendingTransactions": []
        }
      ]
    },
    {
      "depositor": "4Nd1...TyXz",
      "totalConfirmed": "14.949965",
      "totalPending": "0.000000",
      "breakdown": [
        {
          "chain": "Solana_Devnet",
          "confirmedBalance": "14.949965",
          "pendingBalance": "0.000000",
          "pendingTransactions": []
        }
      ]
    }
  ]
}